// Tencent is pleased to support the open source community by making ncnn available.
//
// Copyright (C) 2017 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

#ifndef NCNN_MODELBIN_H
#define NCNN_MODELBIN_H

#include "mat.h"

namespace ncnn {

    class DataReader;

    class ModelBin {
    public:
        virtual ~ModelBin();

        // element type
        // 0 = auto
        // 1 = float32
        // 2 = float16
        // 3 = int8
        // load vec
        virtual Mat load(int w, int type) const = 0;

        // load image
        virtual Mat load(int w, int h, int type) const;

        // load dim
        virtual Mat load(int w, int h, int c, int type) const;
    };

    class ModelBinFromDataReader : public ModelBin {
    public:
        ModelBinFromDataReader(const DataReader &dr);

        virtual Mat load(int w, int type) const;

    protected:
        const DataReader &dr;
    };

    class ModelBinFromMatArray : public ModelBin {
    public:
        // construct from weight blob array
        ModelBinFromMatArray(const Mat *weights);

        virtual Mat load(int w, int type) const;

    protected:
        mutable const Mat *weights;
    };

} // namespace ncnn

#endif // NCNN_MODELBIN_H
